#879E99
Closest named color: Cool Grey (#95A3A6). oklch(68% 0.027 180.9), rgb(135, 158, 153).
Aa
Black text reads best on this color (7.38:1).
About this color
#879E99 is a medium-light close to neutral grey. In OKLCH its lightness is 68%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Cool Grey (#95A3A6), ΔE 0.030 away. Black text reads best on it, at 7.38:1.
| Hue family | Neutrals |
| Lightness | medium-light (68%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Cool Grey (#95A3A6) |
| Black text | 7.38:1 |
| White text | 2.84:1 |
Values
| HEX | #879E99 |
| RGB | rgb(135, 158, 153) |
| HSL | hsl(167, 11%, 57%) |
| OKLCH | oklch(68% 0.027 180.9) |
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 #879E99 | 2.84:1 | Fails | Lc -59.8 | Large or bold text, headings |
| Black text on #879E99 | 7.38:1 | AAA | Lc 49.5 | Large or bold text, headings |
| #879E99 text on white | 2.84:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #879E99 text on black | 7.38:1 | AAA | Lc -47.3 | 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
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D3DBD9
oklch(88.5% 0.009 179.6)
-
Step 300
300
#B6C4C1
oklch(80.9% 0.016 181.7)
-
Step 400
400 (this color)
#879E99
oklch(68% 0.027 180.9)
-
Step 500
500
#73918A
oklch(63.2% 0.035 179.3)
-
Step 600
600
#5B7B74
oklch(55.6% 0.038 179.9)
-
Step 700
700
#4B6762
oklch(49% 0.034 182.7)
-
Step 800
800
#3E5450
oklch(42.6% 0.028 182.6)
-
Step 900
900
#354642
oklch(37.8% 0.023 179)
-
Step 950
950
#1F2927
oklch(27.1% 0.014 181.6)
#879E99 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) | #9C9B99 | 0.029 |
| Deuteranopia (no green cones) | #979899 | 0.026 |
| Tritanopia (no blue cones) | #819F9C | 0.008 |
| Achromatopsia (no color) | #999999 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #879E99
#879E99
oklch(68% 0.027 180.9)
- #A79297
#A79297
oklch(68% 0.026 1.7)
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 #879E99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Grey #95A3A6 ΔE 0.030
- Bluey Grey #89A0B0 ΔE 0.033
- Bluegrey #85A3B2 ΔE 0.035
- Pewter #96A8A1 ΔE 0.036
- Cool Gray #8D99AE ΔE 0.040
- Greyblue #77A1B5 ΔE 0.042
- Grey Green #86A17D ΔE 0.044
- Cadet Blue #5F9EA0 ΔE 0.046
Use #879E99 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.