#738818
Closest named color: Swamp Green (#748500). oklch(59% 0.132 120.4), rgb(115, 136, 24).
Aa
Black text reads best on this color (5.26:1).
About this color
#738818 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 59%, its chroma 0.132 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp Green (#748500), ΔE 0.010 away. Black text reads best on it, at 5.26:1.
| Hue family | Yellows |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Swamp Green (#748500) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #738818 |
| RGB | rgb(115, 136, 24) |
| HSL | hsl(71, 70%, 31%) |
| OKLCH | oklch(59% 0.132 120.4) |
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 #738818 | 3.98:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #738818 | 5.26:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #738818 text on white | 3.98:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #738818 text on black | 5.26:1 | AA | Lc -34.6 | 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
#F4F6F0
oklch(97% 0.008 121.6)
-
Step 100
100
#E8ECDF
oklch(93.6% 0.018 120.7)
-
Step 200
200
#D6DDC5
oklch(88.6% 0.033 120.3)
-
Step 300
300
#BBC79C
oklch(80.9% 0.06 120.4)
-
Step 400
400
#98AA65
oklch(70.8% 0.095 120.8)
-
Step 500
500
#809436
oklch(63.1% 0.122 120.2)
-
Step 600
600 (this color)
#738818
oklch(59% 0.132 120.4)
-
Step 700
700
#586A00
oklch(49.2% 0.117 120.6)
-
Step 800
800
#485600
oklch(42.6% 0.101 120)
-
Step 900
900
#3C470F
oklch(37.6% 0.079 120.1)
-
Step 950
950
#232A0B
oklch(27% 0.05 120.6)
#738818 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) | #918000 | 0.047 |
| Deuteranopia (no green cones) | #8F7F24 | 0.050 |
| Tritanopia (no blue cones) | #7A8074 | 0.113 |
| Achromatopsia (no color) | #7F7F7F | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738818
#738818
oklch(59% 0.132 120.4)
- #8A69BF
#8A69BF
oklch(59% 0.131 300.1)
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 #738818, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp Green #748500 ΔE 0.010
- Olive Drab #6B8E23 ΔE 0.018
- Mossy Green #638B27 ΔE 0.020
- Dark Yellow Green #728F02 ΔE 0.023
- Moss Green #658B38 ΔE 0.024
- Olive #808000 ΔE 0.026
- Khaki Green #728639 ΔE 0.027
- Sap Green #5C8B15 ΔE 0.030
Use #738818 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.