#73900A
Closest named color: Dark Yellow Green (#728F02). oklch(60.9% 0.146 122.9), rgb(115, 144, 10).
Aa
Black text reads best on this color (5.72:1).
About this color
#73900A is a medium-dark, vivid yellow. In OKLCH its lightness is 61%, its chroma 0.146 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Yellow Green (#728F02), ΔE 0.004 away. Black text reads best on it, at 5.72:1.
| Hue family | Yellows |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Dark Yellow Green (#728F02) |
| Black text | 5.72:1 |
| White text | 3.66:1 |
Values
| HEX | #73900A |
| RGB | rgb(115, 144, 10) |
| HSL | hsl(73, 87%, 30%) |
| OKLCH | oklch(60.9% 0.146 122.9) |
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 #73900A | 3.66:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #73900A | 5.72:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #73900A text on white | 3.66:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #73900A text on black | 5.72:1 | AA | Lc -37.6 | 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 500.
-
Step 50
50
#F4F7F0
oklch(97.2% 0.01 125.7)
-
Step 100
100
#E7ECDD
oklch(93.5% 0.021 121.8)
-
Step 200
200
#D4DEC1
oklch(88.5% 0.04 122.7)
-
Step 300
300
#B8C995
oklch(81% 0.073 122.7)
-
Step 400
400
#93AC58
oklch(70.6% 0.114 123)
-
Step 500
500 (this color)
#73900A
oklch(60.9% 0.146 122.9)
-
Step 600
600
#657F00
oklch(55.6% 0.136 122.8)
-
Step 700
700
#546B00
oklch(49.1% 0.121 123.1)
-
Step 800
800
#455700
oklch(42.6% 0.104 122.4)
-
Step 900
900
#394900
oklch(37.8% 0.092 122.7)
-
Step 950
950
#212B04
oklch(27% 0.061 123)
#73900A 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) | #998600 | 0.060 |
| Deuteranopia (no green cones) | #95851E | 0.060 |
| Tritanopia (no blue cones) | #7A887A | 0.122 |
| Achromatopsia (no color) | #858585 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73900A
#73900A
oklch(60.9% 0.146 122.9)
- #956ACA
#956ACA
oklch(60.9% 0.146 303)
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 #73900A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Yellow Green #728F02 ΔE 0.004
- Olive Drab #6B8E23 ΔE 0.016
- Mossy Green #638B27 ΔE 0.029
- Swamp Green #748500 ΔE 0.031
- Sap Green #5C8B15 ΔE 0.034
- Moss Green #658B38 ΔE 0.037
- Khaki Green #728639 ΔE 0.046
- Olive #808000 ΔE 0.047
Use #73900A 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.