#398F03
Closest named color: Emerald Green (#028F1E). oklch(57.4% 0.177 138.1), rgb(57, 143, 3).
Aa
Black text reads best on this color (5.10:1).
About this color
#398F03 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.177 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald Green (#028F1E), ΔE 0.022 away. Black text reads best on it, at 5.10:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Emerald Green (#028F1E) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #398F03 |
| RGB | rgb(57, 143, 3) |
| HSL | hsl(97, 96%, 29%) |
| OKLCH | oklch(57.4% 0.177 138.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #398F03 | 4.11:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #398F03 | 5.10:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #398F03 text on white | 4.11:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #398F03 text on black | 5.10:1 | AA | Lc -33.8 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E3EEDF
oklch(93.7% 0.023 137.2)
-
Step 200
200
#CBE1C4
oklch(88.6% 0.046 138.1)
-
Step 300
300
#A8CD9B
oklch(80.8% 0.079 137.7)
-
Step 400
400
#78B363
oklch(70.7% 0.127 137.9)
-
Step 500
500
#529F33
oklch(63% 0.162 138.1)
-
Step 600
600 (this color)
#398F03
oklch(57.4% 0.177 138.1)
-
Step 700
700
#2C7300
oklch(49.1% 0.152 138.1)
-
Step 800
800
#235E00
oklch(42.6% 0.131 138)
-
Step 900
900
#214E0C
oklch(37.8% 0.106 138)
-
Step 950
950
#142E0A
oklch(27.1% 0.068 138.2)
#398F03 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #948100 | 0.116 |
| Deuteranopia (no green cones) | #897A1D | 0.114 |
| Tritanopia (no blue cones) | #308A79 | 0.123 |
| Achromatopsia (no color) | #7D7D7D | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398F03
#398F03
oklch(57.4% 0.177 138.1)
- #A24FBB
#A24FBB
oklch(57.4% 0.177 317.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #398F03, closest first.
No curated palette has a color within ΔE 0.04 of #398F03.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald Green #028F1E ΔE 0.022
- True Green #089404 ΔE 0.023
- Forest Green #228B22 ΔE 0.023
- Irish Green #019529 ΔE 0.024
- Kelley Green #009337 ΔE 0.030
- Grass Green #3F9B0B ΔE 0.036
- Sap Green #5C8B15 ΔE 0.036
- Grassy Green #419C03 ΔE 0.040
Use #398F03 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.