#399733
Closest named color: Irish Green (#019529). oklch(59.9% 0.163 142.3), rgb(57, 151, 51).
Aa
Black text reads best on this color (5.64:1).
About this color
#399733 is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.163 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Irish Green (#019529), ΔE 0.026 away. Black text reads best on it, at 5.64:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Irish Green (#019529) |
| Black text | 5.64:1 |
| White text | 3.71:1 |
Values
| HEX | #399733 |
| RGB | rgb(57, 151, 51) |
| HSL | hsl(116, 50%, 40%) |
| OKLCH | oklch(59.9% 0.163 142.3) |
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 #399733 | 3.71:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #399733 | 5.64:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #399733 text on white | 3.71:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #399733 text on black | 5.64:1 | AA | Lc -37.3 | 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 500.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C9E1C6
oklch(88.5% 0.045 142.1)
-
Step 300
300
#A3CE9F
oklch(80.8% 0.079 142.6)
-
Step 400
400
#6FB569
oklch(70.8% 0.129 142.4)
-
Step 500
500 (this color)
#399733
oklch(59.9% 0.163 142.3)
-
Step 600
600
#1A8B15
oklch(55.5% 0.178 142.4)
-
Step 700
700
#067602
oklch(49.1% 0.165 142.3)
-
Step 800
800
#0F600B
oklch(42.7% 0.136 142.3)
-
Step 900
900
#174F14
oklch(37.7% 0.107 142.4)
-
Step 950
950
#102E0D
oklch(26.9% 0.067 141.9)
#399733 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) | #9A8926 | 0.115 |
| Deuteranopia (no green cones) | #8F813C | 0.117 |
| Tritanopia (no blue cones) | #299382 | 0.104 |
| Achromatopsia (no color) | #848484 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399733
#399733
oklch(59.9% 0.163 142.3)
- #AC59B8
#AC59B8
oklch(59.9% 0.163 322.4)
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 #399733, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Irish Green #019529 ΔE 0.026
- Kelley Green #009337 ΔE 0.026
- Grass Green #3F9B0B ΔE 0.027
- Grassy Green #419C03 ΔE 0.031
- True Green #089404 ΔE 0.038
- Emerald Green #028F1E ΔE 0.039
- Sap Green #5C8B15 ΔE 0.040
- Forest Green #228B22 ΔE 0.042
Use #399733 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.