#42874C
Closest named color: Sea Green (#2E8B57). oklch(56.3% 0.114 147), rgb(66, 135, 76).
Aa
Black text reads best on this color (4.80:1).
About this color
#42874C is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.114 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.018 away. Black text reads best on it, at 4.80:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.80:1 |
| White text | 4.37:1 |
Values
| HEX | #42874C |
| RGB | rgb(66, 135, 76) |
| HSL | hsl(129, 34%, 39%) |
| OKLCH | oklch(56.3% 0.114 147) |
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 #42874C | 4.37:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #42874C | 4.80:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #42874C text on white | 4.37:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #42874C text on black | 4.80:1 | AA | Lc -31.6 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CDDFCE
oklch(88.5% 0.03 146.9)
-
Step 300
300
#ACCAAE
oklch(80.9% 0.051 146.9)
-
Step 400
400
#7EAF83
oklch(70.7% 0.082 147.2)
-
Step 500
500
#5C9B63
oklch(63.2% 0.106 146.8)
-
Step 600
600 (this color)
#42874C
oklch(56.3% 0.114 147)
-
Step 700
700
#31703B
oklch(49% 0.105 147)
-
Step 800
800
#2A5C31
oklch(42.8% 0.088 146.8)
-
Step 900
900
#274B2B
oklch(37.6% 0.068 146.5)
-
Step 950
950
#172C1A
oklch(26.9% 0.043 147.7)
#42874C 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) | #897D48 | 0.091 |
| Deuteranopia (no green cones) | #7F7650 | 0.090 |
| Tritanopia (no blue cones) | #368479 | 0.068 |
| Achromatopsia (no color) | #797979 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42874C
#42874C
oklch(56.3% 0.114 147)
- #985C98
#985C98
oklch(56.3% 0.113 326.9)
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 #42874C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.018
- Fern Green #548D44 ΔE 0.029
- Dark Sage #598556 ΔE 0.030
- Light Forest Green #4F9153 ΔE 0.034
- Viridian #1E9167 ΔE 0.039
- Jungle Green #048243 ΔE 0.040
- Swamp #698339 ΔE 0.042
- Moss Green #658B38 ΔE 0.044
Use #42874C 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.