#99AD36
Closest named color: Avocado (#90B134). oklch(71% 0.143 118.5), rgb(153, 173, 54).
Aa
Black text reads best on this color (8.38:1).
About this color
#99AD36 is a medium-light, vivid yellow. In OKLCH its lightness is 71%, its chroma 0.143 and its hue 118°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Avocado (#90B134), ΔE 0.016 away. Black text reads best on it, at 8.38:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Avocado (#90B134) |
| Black text | 8.38:1 |
| White text | 2.50:1 |
Values
| HEX | #99AD36 |
| RGB | rgb(153, 173, 54) |
| HSL | hsl(70, 52%, 45%) |
| OKLCH | oklch(71% 0.143 118.5) |
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 #99AD36 | 2.50:1 | Fails | Lc -54.1 | Large or bold text, headings |
| Black text on #99AD36 | 8.38:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #99AD36 text on white | 2.50:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #99AD36 text on black | 8.38:1 | 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
#F4F7EE
oklch(97.1% 0.012 121.7)
-
Step 100
100
#E8EDD9
oklch(93.7% 0.027 118.3)
-
Step 200
200
#D5DEBA
oklch(88.4% 0.049 118.8)
-
Step 300
300
#BBC986
oklch(80.9% 0.09 118.1)
-
Step 400
400 (this color)
#99AD36
oklch(71% 0.143 118.5)
-
Step 500
500
#819500
oklch(63.2% 0.148 118.8)
-
Step 600
600
#6C7D00
oklch(55.6% 0.13 118.8)
-
Step 700
700
#5B6900
oklch(49.2% 0.115 118.5)
-
Step 800
800
#4A5600
oklch(42.8% 0.1 118.6)
-
Step 900
900
#3D4700
oklch(37.6% 0.088 118.5)
-
Step 950
950
#242A00
oklch(27% 0.063 117.7)
#99AD36 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) | #B8A324 | 0.048 |
| Deuteranopia (no green cones) | #B6A43F | 0.050 |
| Tritanopia (no blue cones) | #A2A495 | 0.122 |
| Achromatopsia (no color) | #A4A4A4 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99AD36
#99AD36
oklch(71% 0.143 118.5)
- #AD8CEE
#AD8CEE
oklch(71% 0.143 298.2)
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 #99AD36, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Avocado #90B134 ΔE 0.016
- Icky Green #8FAE22 ΔE 0.020
- Pea Soup Green #94A617 ΔE 0.024
- Pea Green #8EAB12 ΔE 0.026
- Avocado Green #87A922 ΔE 0.031
- Mustard Green #A8B504 ΔE 0.038
- Turtle Green #75B84F ΔE 0.046
- Asparagus #77AB56 ΔE 0.048
Use #99AD36 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.