#438F17
Closest named color: Sap Green (#5C8B15). oklch(57.9% 0.166 137.2), rgb(67, 143, 23).
Aa
Black text reads best on this color (5.18:1).
About this color
#438F17 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.166 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.026 away. Black text reads best on it, at 5.18:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.18:1 |
| White text | 4.05:1 |
Values
| HEX | #438F17 |
| RGB | rgb(67, 143, 23) |
| HSL | hsl(98, 72%, 33%) |
| OKLCH | oklch(57.9% 0.166 137.2) |
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 #438F17 | 4.05:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #438F17 | 5.18:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #438F17 text on white | 4.05:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #438F17 text on black | 5.18:1 | AA | Lc -34.2 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDDF
oklch(93.5% 0.021 136.6)
-
Step 200
200
#CDE0C5
oklch(88.5% 0.042 136.3)
-
Step 300
300
#AACC9D
oklch(80.8% 0.074 137.1)
-
Step 400
400
#7CB266
oklch(70.7% 0.12 137.1)
-
Step 500
500
#599E39
oklch(63.2% 0.153 137.2)
-
Step 600
600 (this color)
#438F17
oklch(57.9% 0.166 137.2)
-
Step 700
700
#307300
oklch(49.2% 0.15 137.3)
-
Step 800
800
#275E03
oklch(42.8% 0.128 137.2)
-
Step 900
900
#254D11
oklch(37.7% 0.099 137.2)
-
Step 950
950
#162D0C
oklch(26.9% 0.063 137.4)
#438F17 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) | #948200 | 0.105 |
| Deuteranopia (no green cones) | #8A7C26 | 0.104 |
| Tritanopia (no blue cones) | #3E8A79 | 0.116 |
| Achromatopsia (no color) | #7E7E7E | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #438F17
#438F17
oklch(57.9% 0.166 137.2)
- #A154B9
#A154B9
oklch(57.9% 0.167 317.6)
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 #438F17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.026
- Forest Green #228B22 ΔE 0.027
- Irish Green #019529 ΔE 0.029
- Emerald Green #028F1E ΔE 0.030
- Kelley Green #009337 ΔE 0.030
- True Green #089404 ΔE 0.033
- Grass Green #3F9B0B ΔE 0.036
- Mossy Green #638B27 ΔE 0.039
Use #438F17 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.