#899D91
Closest named color: Grey Green (#86A17D). oklch(67.7% 0.029 159.2), rgb(137, 157, 145).
Aa
Black text reads best on this color (7.29:1).
About this color
#899D91 is a medium-light close to neutral grey. In OKLCH its lightness is 68%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Grey Green (#86A17D), ΔE 0.035 away. Black text reads best on it, at 7.29:1.
| Hue family | Neutrals |
| Lightness | medium-light (68%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Grey Green (#86A17D) |
| Black text | 7.29:1 |
| White text | 2.87:1 |
Values
| HEX | #899D91 |
| RGB | rgb(137, 157, 145) |
| HSL | hsl(144, 9%, 58%) |
| OKLCH | oklch(67.7% 0.029 159.2) |
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 #899D91 | 2.87:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #899D91 | 7.29:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #899D91 text on white | 2.87:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #899D91 text on black | 7.29:1 | AAA | Lc -46.8 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D4DBD7
oklch(88.5% 0.009 161.3)
-
Step 300
300
#B7C4BC
oklch(80.8% 0.018 159)
-
Step 400
400 (this color)
#899D91
oklch(67.7% 0.029 159.2)
-
Step 500
500
#779182
oklch(63.2% 0.037 159.8)
-
Step 600
600
#607B6B
oklch(55.7% 0.04 158.8)
-
Step 700
700
#4F6759
oklch(49% 0.036 159.1)
-
Step 800
800
#415449
oklch(42.6% 0.03 159.4)
-
Step 900
900
#37463D
oklch(37.8% 0.025 158.6)
-
Step 950
950
#202924
oklch(27% 0.016 160.8)
#899D91 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) | #9D9A90 | 0.028 |
| Deuteranopia (no green cones) | #999792 | 0.027 |
| Tritanopia (no blue cones) | #869D99 | 0.012 |
| Achromatopsia (no color) | #989898 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899D91
#899D91
oklch(67.7% 0.029 159.2)
- #A4919D
#A4919D
oklch(67.7% 0.028 339.7)
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 #899D91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Green #86A17D ΔE 0.035
- Cool Grey #95A3A6 ΔE 0.037
- Pewter #96A8A1 ΔE 0.039
- Greeny Grey #7EA07A ΔE 0.041
- Cement #A5A391 ΔE 0.044
- Bluey Grey #89A0B0 ΔE 0.044
- Bluegrey #85A3B2 ΔE 0.046
- Cool Gray #8D99AE ΔE 0.049
Use #899D91 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.