#55906E
Closest named color: Slate Green (#658D6D). oklch(60.3% 0.081 157.5), rgb(85, 144, 110).
Aa
Black text reads best on this color (5.60:1).
About this color
#55906E is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.081 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.018 away. Black text reads best on it, at 5.60:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #55906E |
| RGB | rgb(85, 144, 110) |
| HSL | hsl(145, 26%, 45%) |
| OKLCH | oklch(60.3% 0.081 157.5) |
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 #55906E | 3.74:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #55906E | 5.60:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #55906E text on white | 3.74:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #55906E text on black | 5.60:1 | AA | Lc -36.7 | 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
#F3F7F4
oklch(97.2% 0.006 153.8)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CEDED3
oklch(88.5% 0.023 155.9)
-
Step 300
300
#ACC9B7
oklch(80.9% 0.04 158.1)
-
Step 400
400
#7FAD91
oklch(70.7% 0.064 157.6)
-
Step 500
500 (this color)
#55906E
oklch(60.3% 0.081 157.5)
-
Step 600
600
#42835F
oklch(55.6% 0.088 157.6)
-
Step 700
700
#336F4E
oklch(49.2% 0.083 157.3)
-
Step 800
800
#2B5A40
oklch(42.6% 0.068 157.5)
-
Step 900
900
#284A36
oklch(37.7% 0.053 156.9)
-
Step 950
950
#182B20
oklch(26.9% 0.032 157.9)
#55906E 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) | #8F886C | 0.075 |
| Deuteranopia (no green cones) | #868170 | 0.074 |
| Tritanopia (no blue cones) | #488F87 | 0.039 |
| Achromatopsia (no color) | #848484 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55906E
#55906E
oklch(60.3% 0.081 157.5)
- #A16E92
#A16E92
oklch(60.3% 0.081 338)
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 #55906E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.018
- Ocean Green #3D9973 ΔE 0.029
- Dusty Teal #4C9085 ΔE 0.034
- Dark Sage #598556 ΔE 0.038
- Light Forest Green #4F9153 ΔE 0.040
- Green Grey #77926F ΔE 0.041
- Viridian #1E9167 ΔE 0.042
- Grey Teal #5E9B8A ΔE 0.047
Use #55906E 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.