#738D19
Closest named color: Olive Drab (#6B8E23). oklch(60.2% 0.138 122.2), rgb(115, 141, 25).
Aa
Black text reads best on this color (5.55:1).
About this color
#738D19 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 60%, its chroma 0.138 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Drab (#6B8E23), ΔE 0.010 away. Black text reads best on it, at 5.55:1.
| Hue family | Yellows |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Olive Drab (#6B8E23) |
| Black text | 5.55:1 |
| White text | 3.78:1 |
Values
| HEX | #738D19 |
| RGB | rgb(115, 141, 25) |
| HSL | hsl(73, 70%, 33%) |
| OKLCH | oklch(60.2% 0.138 122.2) |
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 #738D19 | 3.78:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #738D19 | 5.55:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #738D19 text on white | 3.78:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #738D19 text on black | 5.55:1 | AA | Lc -36.5 | 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 500.
-
Step 50
50
#F4F6F0
oklch(97% 0.008 121.6)
-
Step 100
100
#E7ECDE
oklch(93.5% 0.019 122.8)
-
Step 200
200
#D4DEC3
oklch(88.6% 0.038 123.7)
-
Step 300
300
#B9C898
oklch(80.9% 0.067 122)
-
Step 400
400
#95AB5D
oklch(70.6% 0.107 122.1)
-
Step 500
500 (this color)
#738D19
oklch(60.2% 0.138 122.2)
-
Step 600
600
#667F00
oklch(55.6% 0.135 122.3)
-
Step 700
700
#556B00
oklch(49.2% 0.12 122.6)
-
Step 800
800
#455700
oklch(42.6% 0.104 122.4)
-
Step 900
900
#3A4903
oklch(37.9% 0.09 122.2)
-
Step 950
950
#222B07
oklch(27.2% 0.057 122.3)
#738D19 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) | #968400 | 0.054 |
| Deuteranopia (no green cones) | #938325 | 0.056 |
| Tritanopia (no blue cones) | #7A8578 | 0.116 |
| Achromatopsia (no color) | #838383 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738D19
#738D19
oklch(60.2% 0.138 122.2)
- #916AC4
#916AC4
oklch(60.2% 0.138 302.5)
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 #738D19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Drab #6B8E23 ΔE 0.010
- Dark Yellow Green #728F02 ΔE 0.011
- Swamp Green #748500 ΔE 0.022
- Mossy Green #638B27 ΔE 0.022
- Moss Green #658B38 ΔE 0.028
- Sap Green #5C8B15 ΔE 0.031
- Khaki Green #728639 ΔE 0.035
- Olive #808000 ΔE 0.038
Use #738D19 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.