#E99123
Closest named color: Gamboge (#EE9B00). oklch(73.2% 0.154 65.2), rgb(233, 145, 35).
Aa
Black text reads best on this color (8.53:1).
About this color
#E99123 is a medium-light, vivid orange. In OKLCH its lightness is 73%, its chroma 0.154 and its hue 65°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.030 away. Black text reads best on it, at 8.53:1.
| Hue family | Oranges |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 8.53:1 |
| White text | 2.45:1 |
Values
| HEX | #E99123 |
| RGB | rgb(233, 145, 35) |
| HSL | hsl(33, 82%, 53%) |
| OKLCH | oklch(73.2% 0.154 65.2) |
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 #E99123 | 2.45:1 | Fails | Lc -53.0 | Large or bold text, headings |
| Black text on #E99123 | 8.53:1 | AAA | Lc 56.0 | Large or bold text, headings |
| #E99123 text on white | 2.45:1 | Fails | Lc 48.0 | Large or bold text, headings |
| #E99123 text on black | 8.53:1 | AAA | Lc -54.0 | 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
#FCF4ED
oklch(97.1% 0.013 63.9)
-
Step 100
100
#F7E7D7
oklch(93.6% 0.028 67.5)
-
Step 200
200
#F3D3B5
oklch(88.6% 0.054 65.2)
-
Step 300
300
#ECB47D
oklch(80.9% 0.096 65.2)
-
Step 400
400 (this color)
#E99123
oklch(73.2% 0.154 65.2)
-
Step 500
500
#C27400
oklch(63% 0.141 65.1)
-
Step 600
600
#A46100
oklch(55.6% 0.125 64.9)
-
Step 700
700
#8A5100
oklch(49% 0.11 65.1)
-
Step 800
800
#724200
oklch(42.7% 0.096 65.1)
-
Step 900
900
#5F3600
oklch(37.5% 0.084 65)
-
Step 950
950
#3A1F00
oklch(27% 0.06 65.1)
#E99123 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) | #AD9903 | 0.103 |
| Deuteranopia (no green cones) | #C2AD25 | 0.090 |
| Tritanopia (no blue cones) | #FF7C7D | 0.118 |
| Achromatopsia (no color) | #A5A5A5 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E99123
#E99123
oklch(73.2% 0.154 65.2)
- #49B0FF
#49B0FF
oklch(73.2% 0.149 245.2)
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 #E99123, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.030
- Faded Orange #F0944D ΔE 0.032
- Dark Orange #FF8C00 ΔE 0.037
- Tangerine #FF9408 ΔE 0.039
- Dusty Orange #F0833A ΔE 0.041
- Orange Wheel #F77F00 ΔE 0.042
- Dull Orange #D8863B ΔE 0.046
- Earth Yellow #DDA15E ΔE 0.049
Use #E99123 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.