#ECB400
Closest named color: Macaroni And Cheese (#EFB435). oklch(79.9% 0.164 85.9), rgb(236, 180, 0).
Aa
Black text reads best on this color (11.09:1).
About this color
#ECB400 is a light, vivid orange. In OKLCH its lightness is 80%, its chroma 0.164 and its hue 86°. Its hue sits on the warm side of the wheel. The nearest named color is Macaroni And Cheese (#EFB435), ΔE 0.018 away. Black text reads best on it, at 11.09:1.
| Hue family | Oranges |
| Lightness | light (80%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Macaroni And Cheese (#EFB435) |
| Black text | 11.09:1 |
| White text | 1.89:1 |
Values
| HEX | #ECB400 |
| RGB | rgb(236, 180, 0) |
| HSL | hsl(46, 100%, 46%) |
| OKLCH | oklch(79.9% 0.164 85.9) |
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 #ECB400 | 1.89:1 | Fails | Lc -39.9 | Non-text elements, placeholder text |
| Black text on #ECB400 | 11.09:1 | AAA | Lc 68.2 | Content text, not long reading |
| #ECB400 text on white | 1.89:1 | Fails | Lc 35.7 | Non-text elements, placeholder text |
| #ECB400 text on black | 11.09:1 | AAA | Lc -66.8 | Content text, not long reading |
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 300.
-
Step 50
50
#FCF5E5
oklch(97.1% 0.022 87.1)
-
Step 100
100
#F8E8C7
oklch(93.5% 0.047 85.2)
-
Step 200
200
#F4D593
oklch(88.4% 0.091 85.5)
-
Step 300
300 (this color)
#ECB400
oklch(79.9% 0.164 85.9)
-
Step 400
400
#C89800
oklch(70.6% 0.144 85.9)
-
Step 500
500
#AC8200
oklch(63% 0.129 85.7)
-
Step 600
600
#916D00
oklch(55.6% 0.114 85.6)
-
Step 700
700
#7A5C00
oklch(49.2% 0.101 86.4)
-
Step 800
800
#644B00
oklch(42.8% 0.087 86.6)
-
Step 900
900
#543E00
oklch(37.8% 0.077 85.9)
-
Step 950
950
#322400
oklch(27% 0.055 86.6)
#ECB400 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) | #CDB400 | 0.049 |
| Deuteranopia (no green cones) | #DAC219 | 0.041 |
| Tritanopia (no blue cones) | #FFA299 | 0.145 |
| Achromatopsia (no color) | #BCBCBC | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECB400
#ECB400
oklch(79.9% 0.164 85.9)
- #9FBCFF
#9FBCFF
oklch(79.9% 0.101 266.1)
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 #ECB400, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Macaroni And Cheese #EFB435 ΔE 0.018
- Squash #F2AB15 ΔE 0.025
- Yellow Orange #FCB001 ΔE 0.027
- Golden Rod #F9BC08 ΔE 0.030
- Orangey Yellow #FDB915 ΔE 0.031
- Golden #F5BF03 ΔE 0.032
- Orange Yellow #FFAD01 ΔE 0.034
- Dark Yellow #D5B60A ΔE 0.036
Use #ECB400 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.