#42941D
Closest named color: Grass Green (#3F9B0B). oklch(59.2% 0.17 138.3), rgb(66, 148, 29).
Aa
Black text reads best on this color (5.48:1).
About this color
#42941D is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.170 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.023 away. Black text reads best on it, at 5.48:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Grass Green (#3F9B0B) |
| Black text | 5.48:1 |
| White text | 3.82:1 |
Values
| HEX | #42941D |
| RGB | rgb(66, 148, 29) |
| HSL | hsl(101, 67%, 35%) |
| OKLCH | oklch(59.2% 0.17 138.3) |
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 #42941D | 3.82:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #42941D | 5.48:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #42941D text on white | 3.82:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #42941D text on black | 5.48:1 | AA | Lc -36.2 | 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
#E3EEDF
oklch(93.7% 0.023 137.2)
-
Step 200
200
#CCE0C5
oklch(88.4% 0.042 137.5)
-
Step 300
300
#A9CD9D
oklch(81% 0.076 137.9)
-
Step 400
400
#79B366
oklch(70.8% 0.123 138.3)
-
Step 500
500
#549F39
oklch(63.2% 0.156 138.4)
-
Step 600
600 (this color)
#42941D
oklch(59.2% 0.17 138.3)
-
Step 700
700
#2B7300
oklch(49% 0.152 138.2)
-
Step 800
800
#235E03
oklch(42.6% 0.13 138.2)
-
Step 900
900
#224D11
oklch(37.5% 0.101 138.4)
-
Step 950
950
#152E0C
oklch(27.2% 0.065 138.3)
#42941D 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) | #998600 | 0.110 |
| Deuteranopia (no green cones) | #8E802B | 0.109 |
| Tritanopia (no blue cones) | #3B8F7E | 0.117 |
| Achromatopsia (no color) | #828282 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42941D
#42941D
oklch(59.2% 0.17 138.3)
- #A757BE
#A757BE
oklch(59.3% 0.17 318.2)
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 #42941D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass Green #3F9B0B ΔE 0.023
- Irish Green #019529 ΔE 0.026
- Grassy Green #419C03 ΔE 0.027
- Kelley Green #009337 ΔE 0.031
- True Green #089404 ΔE 0.032
- Sap Green #5C8B15 ΔE 0.033
- Emerald Green #028F1E ΔE 0.035
- Forest Green #228B22 ΔE 0.037
Use #42941D 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.