#42855D
Closest named color: Dark Sage (#598556). oklch(56.1% 0.093 155.6), rgb(66, 133, 93).
Aa
Black text reads best on this color (4.74:1).
About this color
#42855D is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.093 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.024 away. Black text reads best on it, at 4.74:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #42855D |
| RGB | rgb(66, 133, 93) |
| HSL | hsl(144, 34%, 39%) |
| OKLCH | oklch(56.1% 0.093 155.6) |
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 #42855D | 4.42:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #42855D | 4.74:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #42855D text on white | 4.42:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #42855D text on black | 4.74:1 | AA | Lc -31.1 | 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
#F3F7F4
oklch(97.2% 0.006 153.8)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CEDED3
oklch(88.5% 0.023 155.9)
-
Step 300
300
#ACC9B5
oklch(80.9% 0.042 155.2)
-
Step 400
400
#7FAD8F
oklch(70.6% 0.066 155.7)
-
Step 500
500
#5C9973
oklch(63.1% 0.086 155.7)
-
Step 600
600 (this color)
#42855D
oklch(56.1% 0.093 155.6)
-
Step 700
700
#326F4B
oklch(49.1% 0.086 155.4)
-
Step 800
800
#2A5B3E
oklch(42.8% 0.072 155.7)
-
Step 900
900
#274A35
oklch(37.6% 0.055 156.2)
-
Step 950
950
#172C1F
oklch(27.1% 0.037 155.9)
#42855D 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) | #857C5B | 0.085 |
| Deuteranopia (no green cones) | #7B755F | 0.082 |
| Tritanopia (no blue cones) | #31847A | 0.045 |
| Achromatopsia (no color) | #787878 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42855D
#42855D
oklch(56.1% 0.093 155.6)
- #975F8A
#975F8A
oklch(56.1% 0.093 335.7)
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 #42855D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.024
- Sea Green #2E8B57 ΔE 0.027
- Viridian #1E9167 ΔE 0.037
- Light Forest Green #4F9153 ΔE 0.045
- Fern Green #548D44 ΔE 0.048
- Military Green #667C3E ΔE 0.049
- Slate Green #658D6D ΔE 0.052
- Jungle Green #048243 ΔE 0.053
Use #42855D 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.