#737F59
Closest named color: Drab (#828344). oklch(57.6% 0.057 122.4), rgb(115, 127, 89).
Aa
Black text reads best on this color (4.90:1).
About this color
#737F59 is a medium-dark, muted yellow. In OKLCH its lightness is 58%, its chroma 0.057 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Drab (#828344), ΔE 0.037 away. Black text reads best on it, at 4.90:1.
| Hue family | Yellows |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Drab (#828344) |
| Black text | 4.90:1 |
| White text | 4.27:1 |
Values
| HEX | #737F59 |
| RGB | rgb(115, 127, 89) |
| HSL | hsl(79, 18%, 42%) |
| OKLCH | oklch(57.6% 0.057 122.4) |
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 #737F59 | 4.27:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #737F59 | 4.90:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #737F59 text on white | 4.27:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #737F59 text on black | 4.90:1 | AA | Lc -32.1 | 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
#E9EBE5
oklch(93.7% 0.008 121.6)
-
Step 200
200
#D7DBD1
oklch(88.6% 0.014 124.6)
-
Step 300
300
#BDC4B1
oklch(81% 0.027 123.5)
-
Step 400
400
#9CA589
oklch(70.7% 0.041 121.9)
-
Step 500
500
#848F6C
oklch(63.2% 0.052 122.1)
-
Step 600
600 (this color)
#737F59
oklch(57.6% 0.057 122.4)
-
Step 700
700
#5B6644
oklch(49.1% 0.053 122.9)
-
Step 800
800
#4B5338
oklch(42.7% 0.044 121.7)
-
Step 900
900
#3E4530
oklch(37.8% 0.035 123.1)
-
Step 950
950
#24281C
oklch(26.9% 0.022 122.9)
#737F59 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) | #847B57 | 0.026 |
| Deuteranopia (no green cones) | #827A5B | 0.027 |
| Tritanopia (no blue cones) | #767B75 | 0.047 |
| Achromatopsia (no color) | #7A7A7A | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737F59
#737F59
oklch(57.6% 0.057 122.4)
- #807196
#807196
oklch(57.6% 0.058 303.1)
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 #737F59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Drab #828344 ΔE 0.037
- Dark Sage #598556 ΔE 0.038
- Military Green #667C3E ΔE 0.041
- Slate Green #658D6D ΔE 0.042
- Grey Brown #7F7053 ΔE 0.044
- Brown Grey #8D8468 ΔE 0.048
- Swamp #698339 ΔE 0.049
- Khaki Green #728639 ΔE 0.050
Use #737F59 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.