#737E5B
Closest named color: Grey Brown (#7F7053). oklch(57.4% 0.053 122.2), rgb(115, 126, 91).
Aa
Black text reads best on this color (4.86:1).
About this color
#737E5B is a medium-dark, muted yellow. In OKLCH its lightness is 57%, its chroma 0.053 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Brown (#7F7053), ΔE 0.040 away. Black text reads best on it, at 4.86:1.
| Hue family | Yellows |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Grey Brown (#7F7053) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #737E5B |
| RGB | rgb(115, 126, 91) |
| HSL | hsl(79, 16%, 43%) |
| OKLCH | oklch(57.4% 0.053 122.2) |
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 #737E5B | 4.31:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #737E5B | 4.86:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #737E5B text on white | 4.31:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #737E5B text on black | 4.86:1 | AA | Lc -31.8 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE6
oklch(93.7% 0.007 124.5)
-
Step 200
200
#D7DBD1
oklch(88.6% 0.014 124.6)
-
Step 300
300
#BEC3B3
oklch(80.9% 0.023 121.1)
-
Step 400
400
#9CA58B
oklch(70.7% 0.038 122.9)
-
Step 500
500
#848F6E
oklch(63.2% 0.049 122.8)
-
Step 600
600 (this color)
#737E5B
oklch(57.4% 0.053 122.2)
-
Step 700
700
#5C6546
oklch(49% 0.048 121.3)
-
Step 800
800
#4B533A
oklch(42.8% 0.041 122.5)
-
Step 900
900
#3E4432
oklch(37.5% 0.031 122.8)
-
Step 950
950
#25281D
oklch(27% 0.02 120.1)
#737E5B 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) | #827A59 | 0.024 |
| Deuteranopia (no green cones) | #817A5D | 0.024 |
| Tritanopia (no blue cones) | #767A75 | 0.045 |
| Achromatopsia (no color) | #7A7A7A | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737E5B
#737E5B
oklch(57.4% 0.053 122.2)
- #7E7193
#7E7193
oklch(57.3% 0.054 302.2)
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 #737E5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Brown #7F7053 ΔE 0.040
- Dark Sage #598556 ΔE 0.041
- Drab #828344 ΔE 0.041
- Slate Green #658D6D ΔE 0.043
- Military Green #667C3E ΔE 0.044
- Brown Grey #8D8468 ΔE 0.048
- Dull Brown #876E4B ΔE 0.049
- Medium Grey #7D7F7C ΔE 0.052
Use #737E5B 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.