#73AA00
Closest named color: Leaf (#71AA34). oklch(67.4% 0.179 129), rgb(115, 170, 0).
Aa
Black text reads best on this color (7.47:1).
About this color
#73AA00 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.179 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf (#71AA34), ΔE 0.021 away. Black text reads best on it, at 7.47:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Leaf (#71AA34) |
| Black text | 7.47:1 |
| White text | 2.80:1 |
Values
| HEX | #73AA00 |
| RGB | rgb(115, 170, 0) |
| HSL | hsl(79, 100%, 33%) |
| OKLCH | oklch(67.4% 0.179 129) |
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 #73AA00 | 2.80:1 | Fails | Lc -59.0 | Large or bold text, headings |
| Black text on #73AA00 | 7.47:1 | AAA | Lc 50.3 | Large or bold text, headings |
| #73AA00 text on white | 2.80:1 | Fails | Lc 53.7 | Large or bold text, headings |
| #73AA00 text on black | 7.47:1 | AAA | Lc -48.1 | 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
#E3EFD8
oklch(93.7% 0.033 129.7)
-
Step 200
200
#CCE2B7
oklch(88.5% 0.062 129.7)
-
Step 300
300
#AACF80
oklch(80.9% 0.112 129.1)
-
Step 400
400 (this color)
#73AA00
oklch(67.4% 0.179 129)
-
Step 500
500
#699C00
oklch(63.2% 0.168 129.1)
-
Step 600
600
#578300
oklch(55.6% 0.148 129.3)
-
Step 700
700
#496E00
oklch(49.1% 0.13 129)
-
Step 800
800
#3B5A00
oklch(42.7% 0.113 129)
-
Step 900
900
#304B00
oklch(37.7% 0.1 129.3)
-
Step 950
950
#1B2D00
oklch(27.1% 0.072 129.3)
#73AA00 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) | #B39D00 | 0.092 |
| Deuteranopia (no green cones) | #AB9921 | 0.090 |
| Tritanopia (no blue cones) | #77A290 | 0.140 |
| Achromatopsia (no color) | #9A9A9A | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73AA00
#73AA00
oklch(67.4% 0.179 129)
- #B672E8
#B672E8
oklch(67.3% 0.179 309)
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 #73AA00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf #71AA34 ΔE 0.021
- Grass #5CAC2D ΔE 0.024
- Leaf Green #5CA904 ΔE 0.025
- Avocado Green #87A922 ΔE 0.029
- Pea Green #8EAB12 ΔE 0.035
- Icky Green #8FAE22 ΔE 0.040
- Leafy Green #51B73B ΔE 0.042
- Dark Lime #84B701 ΔE 0.044
Use #73AA00 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.