#90A18B
Closest named color: Grey Green (#86A17D). oklch(68.9% 0.037 138.6), rgb(144, 161, 139).
Aa
Black text reads best on this color (7.65:1).
About this color
#90A18B is a medium-light, muted green. In OKLCH its lightness is 69%, its chroma 0.037 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Green (#86A17D), ΔE 0.025 away. Black text reads best on it, at 7.65:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Grey Green (#86A17D) |
| Black text | 7.65:1 |
| White text | 2.74:1 |
Values
| HEX | #90A18B |
| RGB | rgb(144, 161, 139) |
| HSL | hsl(106, 10%, 59%) |
| OKLCH | oklch(68.9% 0.037 138.6) |
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 #90A18B | 2.74:1 | Fails | Lc -58.3 | Large or bold text, headings |
| Black text on #90A18B | 7.65:1 | AAA | Lc 51.0 | Large or bold text, headings |
| #90A18B text on white | 2.74:1 | Fails | Lc 53.0 | Large or bold text, headings |
| #90A18B text on black | 7.65:1 | AAA | Lc -48.8 | Large or bold text, headings |
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 400.
-
Step 50
50
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E8EBE7
oklch(93.7% 0.006 137.8)
-
Step 200
200
#D5DBD3
oklch(88.5% 0.013 137.8)
-
Step 300
300
#B9C4B6
oklch(80.8% 0.023 139)
-
Step 400
400 (this color)
#90A18B
oklch(68.9% 0.037 138.6)
-
Step 500
500
#7B9175
oklch(63.1% 0.048 139)
-
Step 600
600
#647B5E
oklch(55.6% 0.051 139.2)
-
Step 700
700
#53674D
oklch(49% 0.047 138.5)
-
Step 800
800
#44543F
oklch(42.6% 0.039 138.3)
-
Step 900
900
#394636
oklch(37.7% 0.032 139.8)
-
Step 950
950
#222920
oklch(27.1% 0.019 138.8)
#90A18B 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) | #A39D8A | 0.028 |
| Deuteranopia (no green cones) | #A09B8C | 0.027 |
| Tritanopia (no blue cones) | #8F9F9B | 0.026 |
| Achromatopsia (no color) | #9C9C9C | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90A18B
#90A18B
oklch(68.9% 0.037 138.6)
- #A594AA
#A594AA
oklch(68.9% 0.037 318.5)
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 #90A18B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Green #86A17D ΔE 0.025
- Cement #A5A391 ΔE 0.032
- Pewter #96A8A1 ΔE 0.034
- Greeny Grey #7EA07A ΔE 0.036
- Cool Grey #95A3A6 ΔE 0.039
- Stone #ADA587 ΔE 0.044
- Bland #AFA88B ΔE 0.050
- Muted Teal #90B494 ΔE 0.051
Use #90A18B 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.