#73B503
Closest named color: Dark Lime (#84B701). oklch(70.1% 0.191 130.9), rgb(115, 181, 3).
Aa
Black text reads best on this color (8.33:1).
About this color
#73B503 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.191 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lime (#84B701), ΔE 0.021 away. Black text reads best on it, at 8.33:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.191) |
| Temperature | in between |
| Nearest name | Dark Lime (#84B701) |
| Black text | 8.33:1 |
| White text | 2.51:1 |
Values
| HEX | #73B503 |
| RGB | rgb(115, 181, 3) |
| HSL | hsl(82, 97%, 36%) |
| OKLCH | oklch(70.1% 0.191 130.9) |
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 #73B503 | 2.51:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #73B503 | 8.33:1 | AAA | Lc 54.9 | Large or bold text, headings |
| #73B503 text on white | 2.51:1 | Fails | Lc 49.1 | Large or bold text, headings |
| #73B503 text on black | 8.33:1 | AAA | Lc -52.9 | Large or bold text, headings |
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 400.
-
Step 50
50
#F2F8ED
oklch(97.2% 0.016 130.4)
-
Step 100
100
#E2EFD7
oklch(93.6% 0.035 130.5)
-
Step 200
200
#CAE3B5
oklch(88.6% 0.067 130.9)
-
Step 300
300
#A6D17D
oklch(81% 0.12 130.8)
-
Step 400
400 (this color)
#73B503
oklch(70.1% 0.191 130.9)
-
Step 500
500
#639D00
oklch(63.1% 0.172 130.9)
-
Step 600
600
#528400
oklch(55.6% 0.152 131.1)
-
Step 700
700
#446F00
oklch(49.1% 0.134 131.1)
-
Step 800
800
#375B00
oklch(42.7% 0.117 131.1)
-
Step 900
900
#2D4C00
oklch(37.8% 0.103 131.1)
-
Step 950
950
#192D00
oklch(27% 0.074 130.9)
#73B503 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) | #BEA600 | 0.105 |
| Deuteranopia (no green cones) | #B5A125 | 0.103 |
| Tritanopia (no blue cones) | #76AD99 | 0.146 |
| Achromatopsia (no color) | #A3A3A3 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B503
#73B503
oklch(70.1% 0.191 130.9)
- #C476F5
#C476F5
oklch(70.1% 0.192 310.7)
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 #73B503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lime #84B701 ΔE 0.021
- Dark Lime Green #7EBD01 ΔE 0.027
- Frog Green #58BC08 ΔE 0.029
- Leafy Green #51B73B ΔE 0.032
- Grass #5CAC2D ΔE 0.040
- Turtle Green #75B84F ΔE 0.041
- Icky Green #8FAE22 ΔE 0.041
- Leaf #71AA34 ΔE 0.041
Use #73B503 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.