#757B66
Closest named color: Grey Brown (#7F7053). oklch(57.2% 0.032 120.4), rgb(117, 123, 102).
Aa
Black text reads best on this color (4.78:1).
About this color
#757B66 is a medium-dark, muted yellow. In OKLCH its lightness is 57%, its chroma 0.032 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Brown (#7F7053), ΔE 0.035 away. Black text reads best on it, at 4.78:1.
| Hue family | Yellows |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Grey Brown (#7F7053) |
| Black text | 4.78:1 |
| White text | 4.39:1 |
Values
| HEX | #757B66 |
| RGB | rgb(117, 123, 102) |
| HSL | hsl(77, 9%, 44%) |
| OKLCH | oklch(57.2% 0.032 120.4) |
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 #757B66 | 4.39:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #757B66 | 4.78:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #757B66 text on white | 4.39:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #757B66 text on black | 4.78:1 | AA | Lc -31.2 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EAE7
oklch(93.5% 0.004 121.6)
-
Step 200
200
#D8DAD4
oklch(88.5% 0.008 121.6)
-
Step 300
300
#BFC2B8
oklch(80.9% 0.014 120.3)
-
Step 400
400
#9EA393
oklch(70.7% 0.023 121.1)
-
Step 500
500
#878C79
oklch(63% 0.028 119.2)
-
Step 600
600 (this color)
#757B66
oklch(57.2% 0.032 120.4)
-
Step 700
700
#5E6351
oklch(49% 0.029 120.1)
-
Step 800
800
#4D5142
oklch(42.7% 0.025 119.6)
-
Step 900
900
#404338
oklch(37.6% 0.019 119.7)
-
Step 950
950
#252721
oklch(26.9% 0.011 122.2)
#757B66 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) | #7E7865 | 0.015 |
| Deuteranopia (no green cones) | #7D7867 | 0.015 |
| Tritanopia (no blue cones) | #777975 | 0.026 |
| Achromatopsia (no color) | #787878 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #757B66
#757B66
oklch(57.2% 0.032 120.4)
- #7B7488
#7B7488
oklch(57.2% 0.031 301.4)
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 #757B66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Brown #7F7053 ΔE 0.035
- Medium Grey #7D7F7C ΔE 0.035
- Gray #808080 ΔE 0.043
- Battleship Gray #6C757D ΔE 0.046
- Dull Brown #876E4B ΔE 0.046
- Brown Grey #8D8468 ΔE 0.047
- Battleship Grey #6B7C85 ΔE 0.047
- Steel Grey #6F828A ΔE 0.051
Use #757B66 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.