#737F63
Closest named color: Slate Green (#658D6D). oklch(57.9% 0.044 126.6), rgb(115, 127, 99).
Aa
Black text reads best on this color (4.94:1).
About this color
#737F63 is a medium-dark, muted green. In OKLCH its lightness is 58%, its chroma 0.044 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.040 away. Black text reads best on it, at 4.94:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #737F63 |
| RGB | rgb(115, 127, 99) |
| HSL | hsl(86, 12%, 44%) |
| OKLCH | oklch(57.9% 0.044 126.6) |
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 #737F63 | 4.24:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #737F63 | 4.94:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #737F63 text on white | 4.24:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #737F63 text on black | 4.94:1 | AA | Lc -32.3 | 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
#E9EAE6
oklch(93.5% 0.005 117.9)
-
Step 200
200
#D7DAD3
oklch(88.4% 0.01 125.7)
-
Step 300
300
#BDC3B6
oklch(80.9% 0.019 127.2)
-
Step 400
400
#9BA590
oklch(70.8% 0.032 128)
-
Step 500
500
#838E74
oklch(63% 0.04 126.2)
-
Step 600
600 (this color)
#737F63
oklch(57.9% 0.044 126.6)
-
Step 700
700
#5B654C
oklch(49.1% 0.04 125.6)
-
Step 800
800
#4A533F
oklch(42.8% 0.034 127.5)
-
Step 900
900
#3E4435
oklch(37.6% 0.026 125.4)
-
Step 950
950
#24281F
oklch(27% 0.017 127.1)
#737F63 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) | #827B61 | 0.023 |
| Deuteranopia (no green cones) | #807B64 | 0.022 |
| Tritanopia (no blue cones) | #757C77 | 0.034 |
| Achromatopsia (no color) | #7B7B7B | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737F63
#737F63
oklch(57.9% 0.044 126.6)
- #80738F
#80738F
oklch(57.7% 0.045 306.1)
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 #737F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.040
- Medium Grey #7D7F7C ΔE 0.042
- Grey Brown #7F7053 ΔE 0.043
- Brown Grey #8D8468 ΔE 0.043
- Dark Sage #598556 ΔE 0.046
- Drab #828344 ΔE 0.048
- Gray #808080 ΔE 0.049
- Dull Brown #876E4B ΔE 0.053
Use #737F63 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.