#EF6300
Closest named color: Orange Pant (#FB5607). oklch(66.8% 0.191 44.8), rgb(239, 99, 0).
Aa
Black text reads best on this color (6.45:1).
About this color
#EF6300 is a medium-light, vivid orange. In OKLCH its lightness is 67%, its chroma 0.191 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Pant (#FB5607), ΔE 0.029 away. Black text reads best on it, at 6.45:1.
| Hue family | Oranges |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Orange Pant (#FB5607) |
| Black text | 6.45:1 |
| White text | 3.25:1 |
Values
| HEX | #EF6300 |
| RGB | rgb(239, 99, 0) |
| HSL | hsl(25, 100%, 47%) |
| OKLCH | oklch(66.8% 0.191 44.8) |
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 #EF6300 | 3.25:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #EF6300 | 6.45:1 | AA | Lc 45.2 | Large or bold text, headings |
| #EF6300 text on white | 3.25:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #EF6300 text on black | 6.45:1 | AA | Lc -42.8 | 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
#FDF3EF
oklch(97.1% 0.012 43.3)
-
Step 100
100
#FAE5DB
oklch(93.6% 0.027 47.2)
-
Step 200
200
#F8CFBD
oklch(88.5% 0.053 45)
-
Step 300
300
#F4AE8E
oklch(81% 0.093 45.5)
-
Step 400
400
#EB7E4B
oklch(70.6% 0.15 44.5)
-
Step 500
500 (this color)
#EF6300
oklch(66.8% 0.191 44.8)
-
Step 600
600
#BB4C00
oklch(55.6% 0.159 44.9)
-
Step 700
700
#9E3F00
oklch(49.1% 0.14 44.9)
-
Step 800
800
#833300
oklch(42.8% 0.122 45)
-
Step 900
900
#6E2900
oklch(37.7% 0.109 44.5)
-
Step 950
950
#441600
oklch(27% 0.078 44.2)
#EF6300 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) | #8C7B00 | 0.179 |
| Deuteranopia (no green cones) | #AE9B00 | 0.163 |
| Tritanopia (no blue cones) | #FF3E55 | 0.096 |
| Achromatopsia (no color) | #8F8F8F | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6300
#EF6300
oklch(66.8% 0.191 44.8)
- #00A4CE
#00A4CE
oklch(66.8% 0.126 224.5)
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 #EF6300, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orange Pant #FB5607 ΔE 0.029
- Bright Orange #FF5B00 ΔE 0.031
- Blood Orange #FE4B03 ΔE 0.044
- Pumpkin #E17701 ΔE 0.045
- Burnt Sienna #E76F51 ΔE 0.047
- Tomato #FF6347 ΔE 0.051
- Orange Red #FF4500 ΔE 0.052
- Chocolate #D2691E ΔE 0.052
Use #EF6300 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.